diff --git a/boot.mjs b/boot.mjs
index ce93db2e..7de03978 100644
--- a/boot.mjs
+++ b/boot.mjs
@@ -13,7 +13,7 @@ console.log(` █████  █████ ██    █ █████ █
 console.log(`██      █     ███   █ █     ██  ██ ██  ██ ██      ██  █ ██   ██  █   █       `);
 console.log(`██  ███ ████  █ ██  █ ████  █████  ██████ ██      ████   █   █   █    ██     `);
 console.log(`██   ██ █     █  ██ █ █     ██  ██ ██  ██ ██      ██  █ ██   ██  █      █    `);
-console.log(` █████  █████ █   ███ █████ ██  ██ ██  ██ ██████  ████   █████   █   ███  3.0`);
+console.log(` █████  █████ █   ███ █████ ██  ██ ██  ██ ██████  ████   █████   █   ███  3.1`);
 process.stdout.write(`   botserver@${pjson.version}, botlib@${pjson.dependencies.botlib}, botbuilder@${pjson.dependencies.botbuilder}, node@${process.version.replace('v', '')}, ${process.platform} ${process.arch} `);
 
 var now = () => {
diff --git a/package.json b/package.json
index 50a03203..09da0732 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botserver",
-  "version": "2.4.42",
+  "version": "3.1.0",
   "type": "module",
   "description": "General Bot Community Edition open-core server.",
   "main": "./boot.mjs",
diff --git a/packages/basic.gblib/services/GBVMService.ts b/packages/basic.gblib/services/GBVMService.ts
index 79531acb..98ecc7a4 100644
--- a/packages/basic.gblib/services/GBVMService.ts
+++ b/packages/basic.gblib/services/GBVMService.ts
@@ -758,6 +758,7 @@ export class GBVMService extends GBService {
   public async parseField(line) {
 
     let required = line.indexOf('*') !== -1;
+    let unique = /\bunique\b/gi.test(line);
     line = line.replace('*', '');
 
     const fieldRegExp = /^\s*(\w+)\s*(\w+)(?:\((.*)\))?/gim;
@@ -766,7 +767,7 @@ export class GBVMService extends GBService {
     const name = reg[1];
     const t = reg[2];
 
-    let definition = { allowNull: !required };
+    let definition = { allowNull: !required, unique: unique };
     definition['type'] = t;
 
     if (reg[3]) {